BÖGGEMANN, Markus. Walter Frisch: German Modernism. Music and the Arts. Die Musikforschung, [S. l.], v. 60, n. 4, p. 404–406, 2007. DOI: 10.52412/mf.2007.H4.4195. Disponível em: https://mf.publia.org/mf/article/view/4195. Acesso em: 27 mai. 2026.